74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
/*
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* Copyright (c) 2016, 2017 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* net/socket.cpp
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* Socket system calls.
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*/
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#include <sys/socket.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sortix/kernel/descriptor.h>
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#include <sortix/kernel/dtable.h>
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#include <sortix/kernel/inode.h>
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#include <sortix/kernel/process.h>
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#include <sortix/kernel/syscall.h>
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#include <sortix/kernel/vnode.h>
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#include "fs.h"
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#include "ip.h"
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namespace Sortix {
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static Ref<Inode> CreateSocket(int domain, int type, int protocol)
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{
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switch ( domain )
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{
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case AF_INET: return IP::Socket(type, protocol);
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case AF_UNIX: return NetFS::Socket(type, protocol);
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default: return errno = EAFNOSUPPORT, Ref<Inode>(NULL);
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}
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}
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int sys_socket(int domain, int type, int protocol)
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{
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int dflags = O_READ | O_WRITE;
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int fdflags = 0;
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if ( type & SOCK_NONBLOCK ) dflags |= O_NONBLOCK;
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if ( type & SOCK_CLOEXEC ) fdflags |= FD_CLOEXEC;
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if ( type & SOCK_CLOFORK ) fdflags |= FD_CLOFORK;
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type &= ~(SOCK_NONBLOCK | SOCK_CLOEXEC | SOCK_CLOFORK);
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Ref<Inode> inode = CreateSocket(domain, type, protocol);
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if ( !inode )
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return -1;
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Ref<Vnode> vnode(new Vnode(inode, Ref<Vnode>(NULL), 0, 0));
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if ( !vnode )
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return -1;
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inode.Reset();
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Ref<Descriptor> desc(new Descriptor(vnode, dflags));
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if ( !desc )
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return -1;
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vnode.Reset();
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Process* process = CurrentProcess();
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Ref<DescriptorTable> dtable = process->GetDTable();
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return dtable->Allocate(desc, fdflags);
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}
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} // namespace Sortix
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